Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.25 A. 0.67 A. 0.50 A. 0.70 A. 0.25 A. 0.67 A. 0.50 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Period measurment modes only. Frequency measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. Period measurment modes only. Frequency measurment modes only. Frequency and period measurment modes, respectively. Period and frequency measurement modes respectively. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? X-Y plates Accelerating anode Grid Cathode X-Y plates Accelerating anode Grid Cathode ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 2.0 μH/radian. 114.6 μH/radian. 12.0 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 114.6 μH/radian. 12.0 μH/radian. 4.8 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic potential. Relative permeability. Magnetic field intensity. Flux density. Magnetic potential. Relative permeability. Magnetic field intensity. Flux density. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is ______ instrument. A recording An indicating None of the listed here An integrating A recording An indicating None of the listed here An integrating ANSWER DOWNLOAD EXAMIANS APP